SEA - SEN

$336 Find Cheap Flights from Seattle to London Southend - Compare and Save

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1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Seattle to Southend (SEA-SEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Southend

Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
2:35 pm - 6:35 pmSEA  Seattle/Tacoma Intl-SEN London Southend
20h 00m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 5:00 pmSEN  London Southend-SEA Seattle/Tacoma Intl
17h 50m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,103Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
2:35 pm - 6:35 pmSEA  Seattle/Tacoma Intl-SEN London Southend
20h 00m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 5:00 pmSEN  London Southend-SEA Seattle/Tacoma Intl
17h 50m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,106Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
1:30 pm - 10:30 amSEA  Seattle/Tacoma Intl-SEN London Southend
13h 00m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
7:25 am - 5:47 pmSEN  London Southend-SEA Seattle/Tacoma Intl
18h 22m1 stop Paris Charles de Gaulle
$2,160Multiple Airlines
Sat, Dec 19 - Wed, Dec 30
Multiple Airlines Logo
2:20 pm - 6:45 pmSEA  Seattle/Tacoma Intl-SEN London Southend
20h 25m2 stops Calgary Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 5:00 pmSEN  London Southend-SEA Seattle/Tacoma Intl
17h 50m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$2,360Multiple Airlines
Sat, Dec 19 - Fri, Jan 8
Multiple Airlines Logo
2:35 pm - 10:05 pmSEA  Seattle/Tacoma Intl-SEN London Southend
23h 30m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
7:35 am - 5:00 pmSEN  London Southend-SEA Seattle/Tacoma Intl
17h 25m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$2,640Multiple Airlines
Useful Info

Key details for Seattle to London Southend Airport flights

Cheapest flight

$336
Flight from Seattle to London Southend Airport

When to book flights from Seattle to Southend

Are your dates flexible? Find out the best times to travel from Seattle to Southend based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to London Southend Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to London Southend Airport?

    Flights from Seattle to London Southend Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at London Southend (SEN).

  • What popular places can I visit in London Southend Airport?

    Some of the most popular sights in London Southend Airport are Hyde Park, Buckingham Palace and Trafalgar Square. These are among the most viewed places in London Southend Airport on KAYAK.

  • Do I need a passport to fly from Seattle to London Southend Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to London Southend Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,103 to $2,640. That means the highest observed fare was about 2x higher than the lowest one.

  • What is the time difference between Seattle and London Southend Airport?

    London Southend Airport is 8 hours ahead of Seattle (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

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